CN109228747B - Intelligent blackboard with rotatable side plates - Google Patents
Intelligent blackboard with rotatable side plates Download PDFInfo
- Publication number
- CN109228747B CN109228747B CN201811266783.2A CN201811266783A CN109228747B CN 109228747 B CN109228747 B CN 109228747B CN 201811266783 A CN201811266783 A CN 201811266783A CN 109228747 B CN109228747 B CN 109228747B
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- frame
- clamping plate
- installation
- blackboard
- connecting piece
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- 238000009434 installation Methods 0.000 claims abstract description 61
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M1/00—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses an intelligent blackboard with rotatable side plates, which comprises a touch blackboard and at least one writing board, wherein the writing board is adhered and fixed on an installation frame, a connecting piece is embedded into an upper frame of the installation frame, so that the installation frame can be rotatably clamped on the connecting piece, the connecting piece is in installation connection with a wall surface or a blackboard installation frame, one end of an installation plate perpendicular to a second clamping plate is connected with the second clamping plate, the other end of the installation plate extends to the side opposite to the first clamping plate, the installation frame further comprises an upper frame, a lower frame and a connecting frame, two ends of the connecting frame are respectively connected with one end of the upper frame and one end of the lower frame in an installation manner, a reinforcing pipe is arranged in parallel with the connecting frame, and two ends of the reinforcing pipe are respectively connected with the other ends of the upper frame and the lower frame in an installation manner through a connecting piece. The invention skillfully realizes rotatable installation of the writing board, has large rotation range and can not be blocked in the rotation process.
Description
Technical Field
The invention relates to an intelligent blackboard with rotatable side plates, and belongs to the technical field of educational equipment.
Background
Along with the wide application of touch-control blackboard in people's daily life, the touch-control blackboard has been used in modern teaching gradually, and the advantage that the ordinary blackboard was conveniently written and the interactive all-in-one of intelligence have been combined to the advantage, make the writing, the mark of various communication activities in no matter the student is on lessons or work more convenient, both can write with the chalk, still can carry out multimedia presentation. The numerical control part of the combined intelligent blackboard is arranged on the blackboard on the side, and the side blackboard is required to be disassembled for maintenance and other operations during installation or maintenance, so that the combined intelligent blackboard is very troublesome and consumes manpower, and becomes a problem to be solved.
Disclosure of Invention
The invention aims to provide an intelligent blackboard with rotatable side plates, which skillfully realizes rotatable installation of a writing board, has a large rotation range and can not be clamped in the rotation process.
In order to achieve the above purpose, the invention adopts the following technical scheme: the intelligent blackboard with the rotatable side plates comprises a touch blackboard and at least one writing board, wherein the writing board is adhered and fixed on a mounting frame, a connecting piece is embedded into the upper frame of the mounting frame, so that the mounting frame is rotatably clamped on the connecting piece, and the connecting piece is in mounting connection with a wall surface or a blackboard mounting frame;
the connecting piece further comprises a first clamping plate, a second clamping plate, a third clamping plate and an installation plate which are parallel to each other, wherein the third clamping plate is connected with the first clamping plate and the second clamping plate, one end of the installation plate perpendicular to the second clamping plate is connected with the second clamping plate, and the other end of the installation plate extends to the side opposite to the first clamping plate;
the upper frame of the installation frame embedded with the connecting piece further comprises a front side plate, a rear side plate and a connecting plate for connecting the front side plate and the rear side plate, wherein the front side plate and the rear side plate are parallel to each other;
the mounting frame further comprises an upper frame, a lower frame and a connecting frame, wherein two ends of the connecting frame are respectively connected with one ends of the upper frame and the lower frame in a mounting manner, the mounting frame is further provided with a reinforcing pipe which is arranged in parallel with the connecting frame, and two ends of the reinforcing pipe are respectively connected with the other ends of the upper frame and the lower frame in a mounting manner through a connecting piece.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the upper frame and the lower frame are arranged in parallel.
2. In the scheme, the connecting sheet is a U-shaped connecting sheet.
3. In the above scheme, one end of the connecting sheet is embedded into the upper frame and the lower frame and is fixedly connected with the upper frame and the lower frame, and the other end of the connecting sheet is fixedly connected with the reinforcing pipe.
4. In the above scheme, the middle part of the rear side plate is provided with an upward concave part, and the second clamping plate passes through the lower part of the concave part.
5. In the above scheme, the length ratio of the connecting piece to the length of the upper frame of the mounting frame is 1: 1.5-2.5.
6. In the above scheme, the first clamping plate, the second clamping plate and the third clamping plate are connected to form a clamping pipe for being embedded into the upper frame of the installation frame.
7. In the above scheme, the number of the writing boards is 2, and the writing boards are respectively arranged on two sides of the touch blackboard.
8. In the above scheme, the touch blackboard comprises a display, a touch panel and a mounting frame.
9. In the scheme, the numerical control box is arranged on the rear side of the writing board.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the intelligent blackboard with the rotatable side plates, the connecting piece is embedded into the upper frame of the installation frame, so that the installation frame is rotatably clamped on the connecting piece, the connecting piece is in installation connection with the wall surface or the blackboard installation frame, the rotatable installation of the writing board is realized through the arrangement of the connecting piece and the installation frame, when equipment fails and needs maintenance or wiring during equipment installation, the writing board can be lifted for operation without dismantling the writing board, the installation and maintenance of the equipment are facilitated, and labor and time are saved; in addition, the connecting piece further includes first joint board, second joint board, the third joint board of connecting first joint board, second joint board and mounting panel that are parallel to each other, and the one end and the second joint board of the mounting panel of perpendicular to second joint board are connected, and the other end stretches out to the one side that is opposite to first joint board, through the setting of U-shaped connecting piece, both play good supporting role to the installing frame, can satisfy the free rotation of installing frame again, the setting of mounting panel, then further guaranteed the stability of being connected between connecting piece and wall body or the blackboard mounting bracket.
2. The upper frame of the installation frame with the connecting piece embedded therein further comprises a front side plate, a rear side plate and a connecting plate for connecting the front side plate and the rear side plate, wherein the front side plate and the rear side plate are parallel to each other; in addition, the middle part of the rear side plate is provided with an upward concave part, the second clamping plate penetrates through the lower part of the concave part, the second clamping plate is wider and penetrates out of the rear side plate of the upper frame of the installation frame, so that a distance is reserved between the installation plate connected with the second clamping plate and the upper frame of the installation frame, and the situation that the installation frame cannot rotate due to the propping of the installation frame by a wall surface or an installation frame of a blackboard is avoided when the installation frame rotates backwards; in conclusion, through the comprehensive design of the connecting piece and the upper frame structure of the mounting frame, the rotatable mounting of the writing board is skillfully realized through the simple and easy structural design, the rotation range is large, and the situation of being blocked in the rotation process can not occur; in addition, still have a stiffening tube, this stiffening tube and connected frame parallel arrangement, and the both ends of stiffening tube are connected with last frame, the respective other end installation of lower frame through a connecting piece respectively, and the setting of stiffening tube plays the effect of reinforcement to the installing frame, has further guaranteed the stability to the clipboard support, avoids appearing supporting inadequately and falls or the frame deformation scheduling condition in the use.
Drawings
FIG. 1 is a schematic diagram of a rotatable intelligent blackboard with side plates;
FIG. 2 is a schematic diagram showing the partial structural decomposition of the intelligent blackboard with rotatable side plates;
FIG. 3 is a schematic diagram of a connecting piece in the intelligent blackboard with a rotatable side plate;
FIG. 4 is an exploded view of the mounting frame structure of the intelligent blackboard with rotatable side plates;
fig. 5 is a schematic view of a part of the structure of a mounting frame in the intelligent blackboard with the rotatable side plate.
In the above figures: 1. a touch blackboard; 2. a writing board; 3. a mounting frame; 301. a metal tube; 302. a front side plate; 303. a rear side plate; 304. a connecting plate; 305. a recessed portion; 4. a connecting piece; 401. a mounting plate; 402. a first clamping plate; 403. a second clamping plate; 404. a third clamping plate; 5. an upper frame; 6. a lower frame; 7. connecting the frames; 8. a reinforcing tube; 9. and a connecting sheet.
Detailed Description
Example 1: the intelligent blackboard with rotatable side plates comprises a touch blackboard 1 and at least one writing board 2, wherein the writing board 2 is fixedly adhered to a mounting frame 3, a connecting piece 4 is embedded into the upper border of the mounting frame 3, so that the mounting frame 3 is rotatably clamped on the connecting piece 4, and the connecting piece 4 is in mounting connection with a wall surface or a blackboard mounting frame;
the connecting piece 4 further comprises a first clamping plate 402, a second clamping plate 403, a third clamping plate 404 and an installation plate 401 which are parallel to each other and are connected with the first clamping plate 402 and the second clamping plate 403, one end of the installation plate 401 perpendicular to the second clamping plate 403 is connected with the second clamping plate 403, and the other end extends to the side opposite to the first clamping plate 402;
the upper frame of the installation frame 3 embedded with the connecting piece 4 further comprises a front side plate 302, a rear side plate 303 and a connecting plate 304 for connecting the front side plate 302 and the rear side plate 303, wherein the front side plate 302 and the rear side plate 303 are parallel to each other, the upper surface of a first clamping plate 402 of the connecting piece 4 is in contact connection with the lower surface of the connecting plate 304, and the width of the first clamping plate 402 is smaller than that of a second clamping plate 403;
the mounting frame 3 further comprises an upper frame 5, a lower frame 6 and a connecting frame 7, wherein two ends of the connecting frame 7 are respectively connected with one ends of the upper frame 5 and the lower frame 6 in a mounting manner, a reinforcing pipe 8 is further arranged in parallel with the connecting frame 7, and two ends of the reinforcing pipe 8 are respectively connected with the other ends of the upper frame 5 and the lower frame 6 in a mounting manner through a connecting sheet 9.
The upper frame 5 and the lower frame 6 are arranged in parallel; the connecting sheet 9 is a U-shaped connecting sheet; one end of the connecting sheet 9 is embedded into the upper frame 5 and the lower frame 6 and is fixedly connected with the upper frame 5 and the lower frame 6, and the other end of the connecting sheet 9 is fixedly connected with the reinforcing pipe 8;
the middle part of the rear side plate 303 is provided with an upward concave part 305, and the second clamping plate 403 passes through the lower part of the concave part 305; the ratio of the length of the connecting piece 4 to the length of the upper frame of the mounting frame 3 is 1:2.5; a numerical control box is arranged on the rear side of the writing board 2.
Example 2: the intelligent blackboard with rotatable side plates comprises a touch blackboard 1 and at least one writing board 2, wherein the writing board 2 is fixedly adhered to a mounting frame 3, a connecting piece 4 is embedded into the upper border of the mounting frame 3, so that the mounting frame 3 is rotatably clamped on the connecting piece 4, and the connecting piece 4 is in mounting connection with a wall surface or a blackboard mounting frame;
the connecting piece 4 further comprises a first clamping plate 402, a second clamping plate 403, a third clamping plate 404 and an installation plate 401 which are parallel to each other and are connected with the first clamping plate 402 and the second clamping plate 403, one end of the installation plate 401 perpendicular to the second clamping plate 403 is connected with the second clamping plate 403, and the other end extends to the side opposite to the first clamping plate 402;
the upper frame of the installation frame 3 embedded with the connecting piece 4 further comprises a front side plate 302, a rear side plate 303 and a connecting plate 304 for connecting the front side plate 302 and the rear side plate 303, wherein the front side plate 302 and the rear side plate 303 are parallel to each other, the upper surface of a first clamping plate 402 of the connecting piece 4 is in contact connection with the lower surface of the connecting plate 304, and the width of the first clamping plate 402 is smaller than that of a second clamping plate 403;
the mounting frame 3 further comprises an upper frame 5, a lower frame 6 and a connecting frame 7, wherein two ends of the connecting frame 7 are respectively connected with one ends of the upper frame 5 and the lower frame 6 in a mounting manner, a reinforcing pipe 8 is further arranged in parallel with the connecting frame 7, and two ends of the reinforcing pipe 8 are respectively connected with the other ends of the upper frame 5 and the lower frame 6 in a mounting manner through a connecting sheet 9.
The ratio of the length of the connecting piece 4 to the length of the upper frame of the mounting frame 3 is 1:2; the first clamping plate 402, the second clamping plate 403 and the third clamping plate 404 are connected to form a clamping pipe for being embedded into the upper frame of the installation frame 3; the number of the writing boards 2 is 2, and the writing boards are respectively arranged at two sides of the touch blackboard 1; the touch blackboard 1 comprises a display, a touch panel and a mounting frame; a numerical control box is arranged on the rear side of the writing board 2.
When the intelligent blackboard with the rotatable side plates is adopted, the rotatable installation of the writing board is realized through the arrangement of the connecting piece and the installation frame, and when equipment fails and needs maintenance or the equipment installation needs wiring, the writing board can be lifted for operation without disassembling the writing board, so that the installation and maintenance of the equipment are convenient, and the labor and time are saved; in addition, through the arrangement of the U-shaped connecting piece, the installation frame has good supporting effect, and can meet the requirement of free rotation of the installation frame, and the arrangement of the installation plate further ensures the stability of connection between the connecting piece and the wall body or the blackboard installation frame;
in addition, the width of the first clamping plate is smaller than that of the second clamping plate, when the first clamping plate is in contact with the connecting plate of the upper frame of the installation frame, a certain distance is kept between the first clamping plate and the rear side plate of the upper frame of the installation frame, and the situation that the connecting piece is propped against and cannot rotate when the installation frame rotates forwards is avoided; in addition, the second clamping plate is wider and penetrates out of the rear side plate of the upper frame of the installation frame, so that a distance is reserved between the installation plate connected with the second clamping plate and the upper frame of the installation frame, and the situation that the installation frame is propped against a wall surface or an installation frame of a blackboard and cannot rotate when the installation frame rotates backwards is avoided; in conclusion, through the comprehensive design of the connecting piece and the upper frame structure of the mounting frame, the rotatable mounting of the writing board is skillfully realized through the simple and easy structural design, the rotation range is large, and the situation of being blocked in the rotation process can not occur; in addition, the setting of strengthening pipe plays the effect of reinforcement to the installing frame, has further guaranteed the stability to the clipboard support, avoids appearing supporting inadequately and falls or the frame deformation scheduling condition in the use.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (8)
1. An intelligent blackboard with rotatable side plates, which is characterized in that: the blackboard comprises a touch blackboard (1) and at least one writing board (2), wherein the writing board (2) is adhered and fixed on a mounting frame (3), a connecting piece (4) is embedded into the upper frame of the mounting frame (3) so that the mounting frame (3) can be rotatably clamped on the connecting piece (4), the connecting piece (4) is in mounting connection with a wall surface or a blackboard mounting frame, and a numerical control box is arranged on the rear side of the writing board (2);
the connecting piece (4) further comprises a first clamping plate (402), a second clamping plate (403), a third clamping plate (404) and an installing plate (401) which are mutually parallel, wherein the third clamping plate (404) is connected with the first clamping plate (402) and the second clamping plate (403), one end of the installing plate (401) perpendicular to the second clamping plate (403) is connected with the second clamping plate (403), and the other end extends to the side opposite to the first clamping plate (402);
the upper frame of the installation frame (3) embedded with the connecting piece (4) further comprises a front side plate (302), a rear side plate (303) and a connecting plate (304) for connecting the front side plate (302) and the rear side plate (303), wherein the upper surface of a first clamping plate (402) of the connecting piece (4) is in contact connection with the lower surface of the connecting plate (304), and the width of the first clamping plate (402) is smaller than that of a second clamping plate (403);
the mounting frame (3) further comprises an upper frame (5), a lower frame (6) and a connecting frame (7), wherein two ends of the connecting frame (7) are respectively connected with one end of the upper frame (5) and one end of the lower frame (6) in a mounting manner, the mounting frame also comprises a reinforcing pipe (8), the reinforcing pipe (8) is arranged in parallel with the connecting frame (7), two ends of the reinforcing pipe (8) are respectively connected with the other ends of the upper frame (5) and the lower frame (6) in a mounting manner through a connecting piece (9), and the upper frame (5) and the lower frame (6) are arranged in parallel.
2. The intelligent blackboard with rotatable side plate according to claim 1, wherein: the connecting sheet (9) is a U-shaped connecting sheet.
3. The intelligent blackboard with rotatable side plate according to claim 2, characterized in that: one end of the connecting sheet (9) is embedded into the upper frame (5) and the lower frame (6) and is fixedly connected with the upper frame (5) and the lower frame (6), and the other end of the connecting sheet (9) is fixedly connected with the reinforcing pipe (8).
4. The intelligent blackboard with rotatable side plate according to claim 1, wherein: the middle part of the rear side plate (303) is provided with an upward concave part (305), and the second clamping plate (403) passes through the lower part of the concave part (305).
5. The intelligent blackboard with rotatable side plate according to claim 1, wherein: the ratio of the length of the connecting piece (4) to the length of the upper frame of the mounting frame (3) is 1: 1.5-2.5.
6. The intelligent blackboard with rotatable side plate according to claim 1, wherein: the first clamping plate (402), the second clamping plate (403) and the third clamping plate (404) are connected to form a clamping pipe which is used for being embedded into the upper frame of the installation frame (3).
7. The intelligent blackboard with rotatable side plate according to claim 1, wherein: the number of the writing boards (2) is 2, and the writing boards are respectively arranged on two sides of the touch blackboard (1).
8. The intelligent blackboard with rotatable side plate according to claim 1, wherein: the touch blackboard (1) comprises a display, a touch panel and a mounting frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266783.2A CN109228747B (en) | 2018-10-29 | 2018-10-29 | Intelligent blackboard with rotatable side plates |
| CN202311446153.4A CN117570312A (en) | 2018-10-29 | 2018-10-29 | Combined electronic blackboard convenient for maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266783.2A CN109228747B (en) | 2018-10-29 | 2018-10-29 | Intelligent blackboard with rotatable side plates |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311446153.4A Division CN117570312A (en) | 2018-10-29 | 2018-10-29 | Combined electronic blackboard convenient for maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109228747A CN109228747A (en) | 2019-01-18 |
| CN109228747B true CN109228747B (en) | 2023-10-03 |
Family
ID=65078820
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811266783.2A Active CN109228747B (en) | 2018-10-29 | 2018-10-29 | Intelligent blackboard with rotatable side plates |
| CN202311446153.4A Pending CN117570312A (en) | 2018-10-29 | 2018-10-29 | Combined electronic blackboard convenient for maintenance |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311446153.4A Pending CN117570312A (en) | 2018-10-29 | 2018-10-29 | Combined electronic blackboard convenient for maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109228747B (en) |
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| CN107427138A (en) * | 2015-05-04 | 2017-12-01 | 哈迪科有限责任公司 | Without interference front opening type frame structure |
| CN210062491U (en) * | 2018-10-29 | 2020-02-14 | 苏州泛普科技股份有限公司 | Intelligent blackboard with rotatable side plate |
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2018
- 2018-10-29 CN CN201811266783.2A patent/CN109228747B/en active Active
- 2018-10-29 CN CN202311446153.4A patent/CN117570312A/en active Pending
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| CN1407868A (en) * | 1999-11-08 | 2003-04-02 | 梅克萨姆股份有限公司 | Wall hanging device |
| CN201577918U (en) * | 2009-11-30 | 2010-09-15 | 王小华 | Wall-mounted mirror |
| JP3184909U (en) * | 2013-05-10 | 2013-07-25 | 株式会社サカワ | Hybrid board |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109228747A (en) | 2019-01-18 |
| CN117570312A (en) | 2024-02-20 |
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